Laboratory Services

Complement, Total, Serum

Print this page

Updated Test Information:

Test Description
Complement, Total, Serum
Synonym(s)

C'H(100); C'H(50); CH50; COMPLEMENT, TOTAL (C'H50); Complement, Total Hemolytic; Connective Tissue Disease Activity Assessment (2 tests); Immunology Profile (CH50); Total Complement, Serum; Total Hemolytic Complement-routine

Test ID
COM
General Information

Useful for:



  • Detection of individuals with an ongoing immune process

  • First-order screening test for congenital complement deficiencies

Specimen Type

Serum

Specimen Requirements

Red Top

Specimen Collection / Processing Instructions

  • Fasting preferred

  • Immediately after specimen collection, place the tube on wet ice

  • Centrifuge and aliquot serum into plastic vial

  • Immediately freeze specimen.

Stability

Frozen: 28 days

Unacceptable Specimen Conditions

Serum Gel (SST)

Limitations

Results are dependent on appropriate specimen transport and storage

Methodology

Automated Liposome Lysis Assay

Estimated TAT

1-2 days

Testing Schedule

Monday-Saturday

Retention

14 days

CPT Code(s)

86162

Additional Information
Minimum Sample Volume

0.5 mL

Reference Range

30-75 U/mL

Performing Lab

Mayo

LOINC Code(s)

4532-8